Update antora.yml

Author: JakeSCahill

antora.yml

@@ -1,7 +1,8 @@
 name: ROOT
 title: Self-Managed
-version: 25.2
+version: 25.3
 start_page: home:index.adoc
+prerelease: true
 nav:
 - modules/ROOT/nav.adoc
 asciidoc:
@@ -19,16 +20,16 @@ asciidoc:
     # --
     full-version: 25.2.1
     latest-redpanda-tag: 'v25.2.1'
-    latest-console-tag: 'v2.8.5'
-    latest-release-commit: '68c64fd'
-    latest-operator-version: 'v2.3.8-24.3.6'
-    operator-beta-tag: 'v25.1.1-beta1'
-    helm-beta-tag: 'v25.1.1-beta1'
-    latest-redpanda-helm-chart-version: 5.10.1
-    redpanda-beta-version: '25.1.1-rc3'
-    redpanda-beta-tag: '25.1.1-rc3'
-    console-beta-version: '3.0.0-beta.1'
-    console-beta-tag: 'v3.0.0-beta.1'
+    latest-console-tag: ''
+    latest-release-commit: ''
+    latest-operator-version: ''
+    operator-beta-tag: ''
+    helm-beta-tag: ''
+    latest-redpanda-helm-chart-version: ''
+    redpanda-beta-version: '25.3.1-rc1'
+    redpanda-beta-tag: 'v25.3.1-rc1'
+    console-beta-version: ''
+    console-beta-tag: ''
     # --
     supported-kubernetes-version: 1.27.0-0
     supported-helm-version: 3.10.0